Marathon Consultants

At Marathon we take pride in providing cutting-edge and cost-effective solutions for civil engineering and design, environmental investigations and land use permitting in the Delaware Valley area and beyond.

Defining The Extra Mile

Experience, Expertise, & Innovation

Building The Future On A Foundation of Excellence

What We Do

Since 1997, Marathon Engineering & Environmental Services, Inc. has brought experience and expertise in civil engineering, environmental permitting, and environmental investigations to create cutting-edge solutions for land development and redevelopment in New Jersey, Pennsylvania, and beyond.More